Q&A: Wondering about the use of lye/sodium hydroxide in lotion or cream formulas? 

In September Q&A post, tessarex asked, I’m wondering about the use of lye/sodium hydroxide in lotion/cream formulas. I’m curious because I’ve got a friend using Vicco’s Turmeric Cream, which lists its ingredient as – Active Ingredients: Turmeric 16%, Sandalwood oil .5% Cream Base: Stearic acid, Sorbitol, Methyl Paraben, Propyl Paraben, Sodium Hydroxide, Water. It’s probably not…